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Runtime error
File size: 804 Bytes
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>aegewg</title>
</head>
<body>
<input type="text" id="url" placeholder="url">
<button id="post">post msg</button>
<script>
const post = document.getElementById('post');
const url = document.getElementById('url');
const gaga = document.createElement('iframe');
gaga.src = "./iframereceivetest.html";
gaga.width = 600;
gaga.height = 500;
document.body.appendChild(gaga);
url.onchange = () => {
gaga.src = url.value;
};
post.onclick = () => {
gaga.contentWindow.postMessage({
joe: 'oh my goodnees'
}, "*");
};
</script>
</body>
</html> |